Alert archive / Oklahoma / Excessive Heat Warnings in 2017

Excessive Heat Warning 2, NWS Norman, OK

July 22, 20178 counties in Oklahoma

NWS Norman, OK issued this excessive heat warning at Jul 22, 2017, 2:43 PM CDT for 8 counties in Oklahoma. It took effect at Jul 23, 2017, 12:00 PM CDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 22, 2017, 2:43 PM CDT (19:43 UTC)
In effect from
Jul 23, 2017, 12:00 PM CDT
Expired
Jul 23, 2017, 8:00 PM CDT
In force
8 hr
Issued by
NWS Norman, OK

Counties Atoka County, OK, Coal County, OK, Hughes County, OK, Lincoln County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 67 km from the middle of the area, began a volume at 19:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this excessive heat warning went out at Jul 22, 12:35 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Jul 22, 12:35 PM CDT, 2 hours 8 minutes before
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Hazardous weather outlook, Jul 22, 2:40 PM CDT, 3 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
240 PM CDT Sat Jul 22 2017

OKZ004>048-050>052-TXZ083>090-231945-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
240 PM CDT Sat Jul 22 2017

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western
north Texas.

.DAY ONE...Through Tonight...

.Heat...
Hot and humid conditions will persist through the day. Heat index
values, this afternoon, will range between 100 and 110 across
much of the region. The greatest impact will be felt along and
east of Highway 81, where a heat advisory remains in effect.

Please continue to practice good heat safety. Stay hydrated and
take breaks in the shade if you are working or playing outside.
Never leave children or pets along in vehicles. Look before
you lock!

.Thunderstorms...
Isolated thunderstorms will be possible this afternoon into the
early evening hours, primarily across western Oklahoma and north
Texas. Gusty winds will be possible with any thunderstorms.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

.Heat...
Hot and humid conditions will remain on Sunday, with heat index
values ranging between 93 and 114, with the greatest impacts
along and east of the Interstate 35 corridor. An Excessive Heat
Warning has been issued for east central and southeast Oklahoma
for Sunday afternoon. A Heat Advisory also remains in effect for
most of central Oklahoma.

After a brief dip to more seasonable temperatures, Monday and
Tuesday, upper 90s and low 100 degree temperatures will return
Wednesday through the end of the week.

.Thunderstorms...
Thunderstorm chances increase Saturday night and will persist
through Tuesday. There is a Marginal Risk of strong to severe
thunderstorms Sunday afternoon into the evening hours across
Oklahoma. Gusty winds will be the primary hazard.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

Kurtz/Mahale

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 22, 2:59 AM CDTHeat AdvisoryOUNAtoka, Bryan, Carter, Cleveland, Coal, Garvin and 15 more41 hr
Jul 22, 4:52 PM CDTSpecial Weather StatementOUNGrady23 min
Jul 22, 5:35 PM CDTSpecial Weather StatementOUNBlaine25 min
Jul 22, 5:56 PM CDTSpecial Weather StatementOUNKingfisher19 min
Jul 22, 6:07 PM CDTSpecial Weather StatementOUNBlaine23 min

Nearby

Excessive Heat Warnings in Oklahoma, 2017Every excessive heat warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.